<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <p id="test">hello world</p>
    <script>
        var test = document.getElementById("test");
        test.onclick = function(event){
            var target;
            try {
                target = event.target;
            } catch (error) {
                target = window.event.srcElement;
                
            }
            alert(target);
        }
    </script>
</body>
</html>